Page 16: - Luffy asserts they are friends and questions the strength of their shared fate with serious intent. - Usopp explains he joined the crew only because he was invited, showing distress. - An off-panel voice orders to stop talking and board the ship. - Luffy shouts after Usopp asking where he is going with urgent tone. - Usopp declares they have different goals and should part ways with sad determination. Page 17: - Zoro shouts for Usopp to come back with forceful tone. - Nami pleads to talk about the situation while crying. - Usopp screams not to be left behind with tears and anguish. - Luffy states he cannot continue together and will cause no more trouble with pained voice. - Luffy challenges Usopp to a fight declaring he will take the Going Merry if he wins. - Usopp replies that the ship belongs to the captain and accepts the fight. Page 18: - Luffy roars a formal challenge to a duel with massive visual impact. - Usopp reacts in visible shock to the duel declaration.